/*
 * @lc app=leetcode id=263 lang=cpp
 *
 * [263] Ugly Number
 */
class Solution {
public:
    bool isUgly(int num) {

        if (num <= 0) {
            return false;
        } else if (num == 1) {
            return true;
        }

        while (num % 2 == 0)
            num /= 2;
        while (num % 3 == 0) 
            num /= 3;
        while (num % 5 == 0) 
            num /= 5;

        if (num == 1 ) {
            return true;
        }

        return false;
    }
};

